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The general algebraic expression for the …

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The general algebraic expression for the following pattern is3,6,9,12,...........45,..........
  • 2 answers

Umesh Garg 5 years, 9 months ago

In this type of questions we see that from how much it is multiplied or added and after that we need to write the formulae so 3n is the formula of it.3,6,9,12,15,18,21,24,27,30,33,36,39,42,45 and so on

Varma G 5 years, 9 months ago

Given,

a=3 and d(commom difference)=3

W.K.T  an=a+(n-1)d

by substituting 'a' and 'd' values

an=3+(n-1)3

an=3+3n-3

an=3n.

Hence General algebraic Expression is 3n

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